01419nam 2200421 a 450 991070011660332120110927115949.0(CKB)5470000002407804(OCoLC)754840699(EXLCZ)99547000000240780420110927d1989 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMass calibrations[electronic resource] /R.S. DavisGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1989.1 online resource (77 unnumbered pages) illustrationsNIST measurement servicesNIST special publication ;250-31Title from title screen (viewed Sept. 27, 2011)."January 1989."Includes bibliographical references (page 25).Standards of massCalibrationUnited StatesWeights and measuresStandardsUnited StatesStandards of mass.CalibrationWeights and measuresStandardsDavis R. S1422640National Institute of Standards and Technology (U.S.)GPOGPOBOOK9910700116603321Mass calibrations3547573UNINA